Astute viewers will note that the duplicated image is portrayed at slightly different angles - almost as if they were each representing a point of view from a different eye, as demonstrated by Mike Myers below.

Common logic dictates that this is the Oculus Rift Blow's hinting at, but the The Witness is debuting on PS4 next year. Could it be a showcase for Sony's as-of-yet unannounced VR headset? Or is this simply good old Oculus on the PC version?